Table 1.
Coordinates for peak voxels within the frontal cortex for the seven components of the ICA (1a) and seed connectivity analysis (1b)
| 1a: Coordinates for peak voxels within the frontal cortex for the seven components of the ICA | |||
|---|---|---|---|
| Component, region | x | y | z |
| C1 | |||
| LFPC left | −34 | 56 | −4 |
| LFPC right | 34 | 56 | −8 |
| C2 | |||
| IFS left | −46 | 34 | 14 |
| IFS right | 50 | 40 | 18 |
| C3 | |||
| AIFO left | −38 | 18 | −4 |
| AIFO right | 46 | 18 | −4 |
| ACC/pre-SMA left | −2 | 24 | 38 |
| C4 | |||
| Middle orbitofrontal cortex/ventromedial prefrontal cortex left | −2 | 48 | −8 |
| ACC right | 6 | 26 | 26 |
| C5 | |||
| Superior frontal gyrus/ACC left | −4 | 42 | 42 |
| Superior frontal gyrus/ACC right | 10 | 38 | 42 |
| C6 | |||
| Premotor cortex left | −24 | 2 | 56 |
| Premotor cortex right | 28 | 8 | 56 |
| C7 | |||
| Middle frontal gyrus left | −24 | 40 | 30 |
| Precentral gyrus left | −6 | 26 | 42 |
| 1b: Seed connectivity analysis | ||||
|---|---|---|---|---|
| Seed, region | x | y | z | t |
| LFPC | ||||
| pDLPFC left | −46 | 16 | 42 | 8.21 |
| pDLPFC right | 40 | 20 | 48 | 5.70 |
| Parietal cortex left | −46 | −58 | 44 | 9.05 |
| Parietal cortex right | 44 | −62 | 44 | 9.05 |
| IFS | ||||
| Inferior parietal cortex left | 32 | −66 | 34 | 4.22 |
| Inferior parietal cortex right | −28 | −72 | 34 | 4.71 |
| Caudate left | −12 | 10 | 4 | 8.93 |
| Caudate right | 12 | 12 | 4 | 9.25 |
| AIFO | ||||
| ACC left | −6 | 26 | 26 | 11.93 |
| ACC right | 6 | 26 | 26 | 13.82 |
| Temporal parietal junction left | −58 | −30 | 26 | 9.66 |
The LFPC seed showed connectivity with pDLPFC and parietal cortex. The IFS showed connectivity with inferior parietal cortex and caudate. The AIFO showed connectivity with the anterior cingulate cortex and temporal parietal junction.